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Cheap flights from Portland, Maine to Louisville from $132

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to Louisville departing on 11/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland, Maine to Louisville

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:15 am - 10:18 amPWM  Portland-SDF Louisville Intl
5h 03m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
7:00 am - 2:38 pmSDF  Louisville Intl-PWM Portland
7h 38m1 stop Chicago O'Hare Intl
$277United Airlines
Wed, Sep 23 - Tue, Sep 29
American Airlines Logo
6:00 pm - 10:55 pmPWM  Portland-SDF Louisville Intl
4h 55m1 stop Philadelphia
American Airlines Logo
5:59 pm - 11:47 pmSDF  Louisville Intl-PWM Portland
5h 48m1 stop Chicago O'Hare Intl
$299American Airlines
Wed, Sep 23 - Tue, Sep 29
Delta Logo
11:40 am - 4:56 pmPWM  Portland-SDF Louisville Intl
5h 16m1 stop New York LaGuardia
Delta Logo
7:50 am - 12:08 pmSDF  Louisville Intl-PWM Portland
4h 18m1 stop Detroit Metropolitan Wayne County
$306Delta
Mon, Nov 23 - Fri, Nov 27
Breeze Airways Logo
5:09 pm - 10:11 amPWM  Portland-SDF Louisville Intl
17h 02m1 stop Raleigh-Durham
Breeze Airways Logo
10:55 am - 4:24 pmSDF  Louisville Intl-PWM Portland
5h 29m1 stop Raleigh-Durham
$309Breeze Airways
Tue, Oct 20 - Sat, Oct 24
American Airlines Logo
12:48 pm - 9:39 pmPWM  Portland-SDF Louisville Intl
8h 51m1 stop Chicago O'Hare Intl
American Airlines Logo
5:43 pm - 10:33 pmSDF  Louisville Intl-PWM Portland
4h 50m1 stop Washington, D.C. Reagan-National
$323American Airlines
Wed, Nov 25 - Wed, Dec 2
Breeze Airways Logo
5:01 pm - 10:32 amPWM  Portland-SDF Louisville Intl
17h 31m2 stops Raleigh-Durham Tampa
Breeze Airways Logo
8:28 pm - 9:19 pmSDF  Louisville Intl-PWM Portland
24h 51m1 stop Charleston
$326Breeze Airways
Wed, Aug 26 - Mon, Aug 31
United Airlines Logo
3:15 pm - 11:15 pmPWM  Portland-SDF Louisville Intl
8h 00m1 stop Newark
United Airlines Logo
8:45 am - 1:38 pmSDF  Louisville Intl-PWM Portland
4h 53m1 stop Newark
$335United Airlines
Tue, Jan 5 - Wed, Jan 6
Southwest Logo
1:20 pm - 12:45 amPWM  Portland-SDF Louisville Intl
11h 25m2 stops Baltimore/Washington Orlando
Southwest Logo
5:40 am - 9:50 amSDF  Louisville Intl-PWM Portland
4h 10m1 stop Baltimore/Washington
$341Southwest
Wed, Nov 25 - Wed, Dec 2
Southwest Logo
5:45 am - 3:15 pmPWM  Portland-SDF Louisville Intl
9h 30m2 stops Baltimore/Washington Chicago Midway
Southwest Logo
3:35 pm - 11:55 pmSDF  Louisville Intl-PWM Portland
8h 20m2 stops Chicago Midway Baltimore/Washington
$366Southwest
Tue, Sep 29 - Thu, Oct 1
Delta Logo
6:30 am - 1:27 pmPWM  Portland-SDF Louisville Intl
6h 57m1 stop New York LaGuardia
Delta Logo
11:45 am - 4:50 pmSDF  Louisville Intl-PWM Portland
5h 05m1 stop New York LaGuardia
$389Delta
Thu, Aug 27 - Thu, Sep 3

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United Airlines flights from Portland, Maine to Louisville

Our best United Airlines deals on Portland, Maine to Louisville flight tickets
United Airlines
Sep 23
PWM5:15 amPortland
5h 03m
1 stop
SDF10:18 amLouisville Intl
Sep 29
SDF7:00 amLouisville Intl
7h 38m
1 stop
PWM2:38 pmPortland
$277
United Airlines
Jan 5
PWM3:15 pmPortland
8h 00m
1 stop
SDF11:15 pmLouisville Intl
Jan 6
SDF8:45 amLouisville Intl
4h 53m
1 stop
PWM1:38 pmPortland
$335
United Airlines
Sep 29
PWM6:00 amPortland
7h 15m
1 stop
SDF1:15 pmLouisville Intl
Oct 1
SDF6:30 pmLouisville Intl
4h 58m
1 stop
PWM11:28 pmPortland
$340

Breeze Airways flights from Portland, Maine to Louisville

Our best Breeze Airways deals on Portland, Maine to Louisville flight tickets
Breeze Airways
Oct 20
PWM5:09 pmPortland
17h 02m
1 stop
SDF10:11 amLouisville Intl
Oct 24
SDF10:55 amLouisville Intl
5h 29m
1 stop
PWM4:24 pmPortland
$309
Breeze Airways
Aug 26
PWM5:01 pmPortland
17h 31m
2 stops
SDF10:32 amLouisville Intl
Aug 31
SDF8:28 pmLouisville Intl
24h 51m
1 stop
PWM9:19 pmPortland
$326
Breeze Airways
Oct 18
PWM3:05 pmPortland
18h 40m
1 stop
SDF9:45 amLouisville Intl
Oct 24
SDF10:55 amLouisville Intl
5h 29m
1 stop
PWM4:24 pmPortland
$342

momondo Fare Finder

 
Customize your flight search to find flights from Portland, Maine to Louisville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 14, 2026.
Use the filters below to find and compare flights from Portland, Maine to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandLouisville

PWM Portland - SDF Louisville Intl

PWMSDF

Portland

Wed 9/23

5:15 am-10:18 am

1 stop5h 03m

Louisville Intl

Tue 9/29

7:00 am-2:38 pm

1 stop7h 38m

$277

PortlandLouisville

PWM Portland - SDF Louisville Intl

PWMSDF

Portland

Wed 9/23

6:00 pm-10:55 pm

1 stop4h 55m

Louisville Intl

Tue 9/29

5:59 pm-11:47 pm

1 stop5h 48m

$299
Quickest round-trip

PortlandLouisville

PWM Portland - SDF Louisville Intl

PWMSDF

Portland

Mon 11/23

11:40 am-4:56 pm

1 stop5h 16m

Louisville Intl

Fri 11/27

7:50 am-12:08 pm

1 stop4h 18m

$306

PortlandLouisville

PWM Portland - SDF Louisville Intl

PWMSDF

Portland

Tue 10/20

5:09 pm-10:11 am

1 stop17h 02m

Louisville Intl

Sat 10/24

10:55 am-4:24 pm

1 stop5h 29m

$309

PortlandLouisville

PWM Portland - SDF Louisville Intl

PWMSDF

Portland

Wed 11/25

12:48 pm-9:39 pm

1 stop8h 51m

Louisville Intl

Wed 12/2

5:43 pm-10:33 pm

1 stop4h 50m

$323

PortlandLouisville

PWM Portland - SDF Louisville Intl

PWMSDF

Portland

Wed 8/26

5:01 pm-10:32 am

2 stops17h 31m

Louisville Intl

Mon 8/31

8:28 pm-9:19 pm

1 stop24h 51m

$326

PortlandLouisville

PWM Portland - SDF Louisville Intl

PWMSDF

Portland

Tue 1/5

3:15 pm-11:15 pm

1 stop8h 00m

Louisville Intl

Wed 1/6

8:45 am-1:38 pm

1 stop4h 53m

$335

PortlandLouisville

PWM Portland - SDF Louisville Intl

PWMSDF

Portland

Wed 11/25

1:20 pm-12:45 am

2 stops11h 25m

Louisville Intl

Wed 12/2

5:40 am-9:50 am

1 stop4h 10m

$341

PortlandLouisville

PWM Portland - SDF Louisville Intl

PWMSDF

Portland

Tue 9/29

5:45 am-3:15 pm

2 stops9h 30m

Louisville Intl

Thu 10/1

3:35 pm-11:55 pm

2 stops8h 20m

$366

PortlandLouisville

PWM Portland - SDF Louisville Intl

PWMSDF

Portland

Thu 8/27

6:30 am-1:27 pm

1 stop6h 57m

Louisville Intl

Thu 9/3

11:45 am-4:50 pm

1 stop5h 05m

$389

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Louisville from

How to get the cheapest flight ticket from Portland, Maine to Louisville

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Portland, Maine and Louisville?

Prices are currently low for flights on this route.

Typical prices usually range from $426 to $588.
The lowest price recently found on this route was $277.

What is the cheapest month to fly to Louisville?

If you are unable to visit Louisville during the month of January, then departing from Portland, Maine during the month November is also very affordable. Most momondo users find prices during this month for around $376.

When to book flights from Portland, Maine to Louisville

Are you open to changing your travel dates? Check out the ideal times to fly from Portland, Maine to Louisville according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland, Maine to Louisville (PWM to SDF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland, Maine to Louisville

Fastest flight time

4h 27m

Direct flights

None
The fastest flight from Portland, Maine to Louisville takes 4h 27m
There are no direct flights from Portland, Maine to Louisville. There are no popular flight routes from Portland, Maine to Louisville.
Search flight deals

Frequently asked questions about flying from Portland, Maine to Louisville

  • How far is Portland to Louisville Intl by plane?

    A flight from Portland to Louisville Intl will travel around 888.5 mi. By plane, this route typically takes 4h 27m.

  • When did momondo last update prices for flights from Portland Airport to Louisville Intl Airport?

    Prices for flights from Portland Airport to Louisville Intl Airport refresh daily.

  • How many operators does momondo search for flights from Portland Airport to Louisville Intl Airport?

  • How old do you have to be to fly from Portland Airport to Louisville Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Louisville Intl Airport.

  • What documentation or ID do you need to fly to Louisville Intl Airport?

    The travel and health documents you'll need for your trip to Louisville Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Louisville Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Portland, Maine to Louisville?

Best airlines flying from Portland, Maine to Louisville

Compare and see reviews for airlines that fly from Portland, Maine to Louisville with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $267Free CancellationRating
7.8
8,509 reviews
Search Delta flights
SouthwestPriceFrom $288Free CancellationRating
8.0
4,218 reviews
Search Southwest flights
United AirlinesPriceFrom $306Free CancellationRating
7.4
10,114 reviews
Search United Airlines flights
American AirlinesPriceFrom $320Free CancellationRating
7.1
11,930 reviews
Search American Airlines flights

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
French Lick
Elizabethtown
Jeffersonville
West Baden Springs
Bardstown
New Albany
Shepherdsville
Elizabeth
Charlestown
Corydon
Brandenburg
Georgetown
Springfield

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Louisville?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Portland to Louisville for you.

Can I find flights from Portland to Louisville with flexible booking policies on momondo?

momondo does allow users to show only those flights to Louisville from Portland which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Portland to Louisville?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Portland to Louisville.

I’m not ready to book a flight from Portland to Louisville right now. Can momondo alert me if prices change?

Price alerts on flights to Louisville from Portland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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